Carpenter v. United States

Holding: The government’s acquisition of Timothy Carpenter’s cell-site records from his wireless carriers was a Fourth Amendment search; the government did not obtain a warrant supported by probable cause before acquiring those records.

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Merits Case Pages and Archives

Major Cases

Department of Commerce v. New YorkThe secretary of the Department of Commerce did not violate the enumeration clause or the Census Act in deciding to reinstate a citizenship question on the 2020 census questionnaire, but the district court was warranted in remanding the case back to the agency where the evidence tells a story that does not match the secretary’s explanation for his decision.